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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-15

  • question_answer
    T is time period of the vertical oscillation of mass m attached to a spring. The time period becomes four times, if an extra mass M is attached to the mass m. The ratio M/m will be

    A)  1/15    

    B)  1/3

    C)  15                   

    D)  3

    Correct Answer: A

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